insulation and ventilation solutions

Open Cell Foam

Attic Insulation

Attic Insulation

Open-cell spray foam (R-3.7) 2x4 studs filled full and sawed flush. Contact Greenshield Insulation to schedule free estimate on spray foam.

Spray Foam insulation will fill all the cracks and crevices to fully insulate and air seal your home, providing greater comfort and energy savings up to 50%!

Attic Insulation

Attic Insulation

Attic Insulation

Blown-in attic insulation professionally installed by GSI. Ventilation and residential insulation specialists, reach out about your home project today.

Heat passes all too easily through a poorly insulated attic. In the winter, heated interior air rises naturally by convection and escapes into the attic through numerous air leaks. Conductive heat loss through the cold ceiling makes rooms directly beneath the attic even colder.

Closed Cell Foam

Attic Insulation

Blown-in Wet Spray Cellulose

Closed cell spray foam insulation (R-7.0) provides a vapor barrier at 1.5". Contact Greenshield Insulation for more.

Closed-cell foam provides a higher R-value per inch than open-cell foam. Because of its density and glue-like tenacity, it also adds structural strength to a wall, ceiling, or roof assembly.

Blown-in Wet Spray Cellulose

Blown-in Wet Spray Cellulose

Blown-in Wet Spray Cellulose

Blown-in wet spray insulation professionally installed by Greenshield Insulation. A family owned & operated company out of Kalamazoo, GSI is your solution to insulation needs.

Blown in cellulose is a highly effective, cost-saving insulation solution. Made from recycled newspaper and treated with borate for fire retardance.

Thermal Imaging

Blown-in Wet Spray Cellulose

Ventilation Services

Greenshield Insulation offers thermal imaging to spot out leaky spots and ensure your home or project is completely sealed up.

Using the FLIR One and the patented MSX Technology, we can locate problem areas around your home where air is leaking and get them sealed up.

Ventilation Services

Blown-in Wet Spray Cellulose

Ventilation Services

GSI offers any and all of the insulation options needed to tackle your project. Certified, licensed, fully insured, and family owned and operated. Greenshield Insulation is the contractor you can trust!

Poor attic ventilation is a common problem for many home owners. It is essential to have proper air movement throughout the attic to prevent ice dams, mold and mildew, and more.

Kalamazoo's spray foam co.

Spray Foam Insulation

Open cell spray foam insulation is environmentally-safe, non-toxic and can completely air-seal residential and commercial buildings such as homes, schools, offices and more. Combined with a proper air management system (HVAC), these products are the answer to improved indoor air quality, energy efficiency and sound abatement.


Spray foam insulation offers no food value, so it cannot support bacteria or fungal growth. The effective air-sealing characteristic prevents the movement of hot air to the cold parts of the walls, preventing condensation from taking place within the wall cavities. The elimination of condensation within the wall assemblies prevents the growth of molds and mildew.


Noise pollution is reduced because airborne noise can no longer seep through walls. Areas where the difference will quickly be appreciated include offices, classrooms, master bedrooms, laundry rooms, media rooms and plumbing runs.

Residential attic and exterior wall insulation common air leaks. Greenshield offers free in-home estimates to ensure you're properly insulated.

Residential attic and exterior wall insulation common air leaks. Greenshield offers free in-home estimates to ensure you're properly insulated. 

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